Climate averages 1991–2020
Bergamo weather
in September.
A mild, wet month: the 4th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Bergamo: daytime highs average 21.6°C and nights cool to about 12.8°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 134 mm of rain on roughly 13 days, which makes September a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 35 min on an average September day.
The nearest other city in this atlas is Monza (33 km away). In September its highs average 22.2°C, 0.6°C warmer than Bergamo, with 119 mm of rain.
Among the 79 cities listed in Italy, Bergamo ranks 77th of 79 for the warmest September highs and joint 72nd of 79 for the driest September (rainfall, lowest first). The mean September high of those 79 cities is 24.3°C; Bergamo is 2.6°C cooler than that mean.
From September to October, average highs fall by 5.1°C to 16.6°C, and monthly rainfall rises from 134 mm to 141 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bergamo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.8°C-2.5°C | -2.5°C | 57 | 7.1 | 9.19 h |
| February | 8.5°C-1.9°C | -1.9°C | 63 | 7.9 | 10.310 h |
| March | 12.8°C1.7°C | 1.7°C | 81 | 10.4 | 11.912 h |
| April | 16.3°C5.7°C | 5.7°C | 116 | 15.9 | 13.513 h |
| May | 20.5°C10.2°C | 10.2°C | 139 | 18.6 | 14.915 h |
| June | 24.6°C14.2°C | 14.2°C | 146 | 17.6 | 15.616 h |
| July | 26.8°C16.6°C | 16.6°C | 136 | 17.5 | 15.315 h |
| August | 26.6°C16.8°C | 16.8°C | 139 | 17.2 | 14.114 h |
| September, selected | 21.6°C12.8°C | 12.8°C | 134 | 13.0 | 12.613 h |
| October | 16.6°C8.7°C | 8.7°C | 141 | 11.8 | 11.011 h |
| November | 11.3°C3.5°C | 3.5°C | 137 | 11.4 | 9.510 h |
| December | 7.3°C-1.3°C | -1.3°C | 78 | 8.2 | 8.89 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Monza in SeptemberItaly · 33 kmHigh 22.2°C · Low 13.6°C · 119 mm rain
- Cinisello Balsamo in SeptemberItaly · 38 kmHigh 22.4°C · Low 13.9°C · 119 mm rain
- Milan in SeptemberItaly · 45 kmHigh 22.8°C · Low 14.0°C · 119 mm rain
- Brescia in SeptemberItaly · 46 kmHigh 22.2°C · Low 14.6°C · 112 mm rain
- Como in SeptemberItaly · 47 kmHigh 22.0°C · Low 14.4°C · 155 mm rain
- Busto Arsizio in SeptemberItaly · 64 kmHigh 22.2°C · Low 13.8°C · 134 mm rain
- Varese in SeptemberItaly · 67 kmHigh 20.7°C · Low 13.2°C · 163 mm rain
- Cremona in SeptemberItaly · 68 kmHigh 24.3°C · Low 15.0°C · 105 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bergamo) is explained once on the Bergamo year overview and on the Sources, method and limits page.